arch: ensure parisc/powerpc handle PF_IO_WORKER in copy_thread()

[ Upstream commit 0100e6bbdbb79404e56939313662b42737026574 ]

In the arch addition of PF_IO_WORKER, I missed parisc and powerpc for
some reason. Fix that up, ensuring they handle PF_IO_WORKER like they do
PF_KTHREAD in copy_thread().

Reported-by: Bruno Goncalves <bgoncalv@redhat.com>
Fixes: 4727dc20e042 ("arch: setup PF_IO_WORKER threads like PF_KTHREAD")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index a92a23d6acd931c2fb047a898b3c6eef9d488e20..5e4381280c97bfded073f549658a75dc456faf70 100644 (file)
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -200,7 +200,7 @@ copy_thread(unsigned long clone_flags, unsigned long usp,
        extern void * const ret_from_kernel_thread;
        extern void * const child_return;
 
-       if (unlikely(p->flags & PF_KTHREAD)) {
+       if (unlikely(p->flags & (PF_KTHREAD | PF_IO_WORKER))) {
                /* kernel thread */
                memset(cregs, 0, sizeof(struct pt_regs));
                if (!usp) /* idle thread */

diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index c43cc26bde5dbfef5039e1c8678f63dba636ce36..cf375d67eacbd9fe81e4bebcb993aabbf666ab2c 100644 (file)
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1684,7 +1684,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
        /* Copy registers */
        sp -= sizeof(struct pt_regs);
        childregs = (struct pt_regs *) sp;
-       if (unlikely(p->flags & PF_KTHREAD)) {
+       if (unlikely(p->flags & (PF_KTHREAD | PF_IO_WORKER))) {
                /* kernel thread */
                memset(childregs, 0, sizeof(struct pt_regs));
                childregs->gpr[1] = sp + sizeof(struct pt_regs);